PVA and EDTA grafted superparamagnetic Ni doped iron oxide nanoparticles prepared by constant current electrodeposition for biomedical applications
الموضوعات : Journal of Nanoanalysis
Mustafa Aghazadeh
1
(Materials and Nuclear Research School, Nuclear Science and Technology Research Institute (NSTRI), Tehran, Iran)
Isa Karimzadeh
2
(Department of Physics, Faculty of Science, Central Tehran Branch, Islamic Azad University, Tehran, Iran)
Mohammad Reza Ganjali
3
(Center of Excellence in Electrochemistry, University of Tehran, Tehran, Iran)
الکلمات المفتاحية: Iron Oxide, Electrochemical Synthesis, Surface Grafting, Nanoparticles, Ni Doping,
ملخص المقالة :
In this paper, a rapid and room temperature electrochemical method is introduced in preparation of Ni doped iron oxide nanoparticles (Ni-IONs) grafted with ethylenediaminetetraacetic acid (EDTA) and polyvinyl alcohol (PVA). EDTA/Ni-IONs and PVA/Ni-IONs samples were prepared through base electro-generation on the cathode surface from aqueous solution of iron(II) chloride, iron(III) nitrate and nickel chloride salts with EDTA/PVA additive. Uniform and narrow particle size Ni-IONs with an average diameter of 15 nm was achieved. Ni doping into the crystal structure of synthesized IONs and also surface grafting with EDTA/or PVA were established through FT-IR and EDAX analyses. The saturation magnetization values for the resulting EDTA/Ni-IONs and PVA/Ni-IONs were found to be 38.03 emu/g and 33.45 emu/g, respectively, which proved their superparamagnetic nature in the presence of applied magnetic field. The FE-SEM observations, XRD and VSM data confirmed the suitable size, crystal structure and magnetic properties of the prepared samples for uses in biomedical aims.
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